Chinese authorities vowed to severely punish Chinese travelers who threw hot water and noodles on a Thai flight attendant and threatened to bomb the plane after they became enraged over sitting arrangements.

An unprecedented computer systems failure touched off the recent mayhem that caused delays and canceled flights for thousands of passengers, the U.K.-based air traffic management company said Saturday.

Officials at Philadelphia International Airport say they are following guidelines from the Centers for Disease Control and federal customs and border protection officials to identify passengers displaying possible symptoms of communicable diseases such as

The Malaysia Airlines jetliner that went down in Ukraine did not make any distress call, Malaysia's prime minister said Friday, adding that its flight route also had been declared safe by the global civil aviation body.